Rad-hard dc/dc converters suit use in deep space

The Standard Microcircuit Drawings by the Defense Logistics Agency were released for the SVR series of radiation hardened dc/dc converters, point-of-load converters, and EMI filters. The products target the most extreme requirements of space systems. The converters and filters include 24 modules in seven product families. They are suited for use in LEO, MEO, GEO, deep-space, and launch vehicle programs, and feature maximum levels of radiation hardening with a total ionizing dose of 100 krad(Si) and single-event phenomena of 85 MeV-cm² /mg.

 The converters and filters are qualified to MIL-PRF-38534 Class H and Class K. These are the first power conversion products commercially available designed and manufactured in accordance with Aerospace Corporation’s Technical Operating Report requirements for space power systems. The performance in space programs is guaranteed through the use of radiation-hardened semiconductor components, radiation lot acceptance testing of nonhardened components, and analysis.